As the British zookeeper who discovered virgin births in Komodos put it, rather like buses, you wait for ages and then loads of them come along all at once.

On the flip side, companies like Virgin Galactic are plotting a bottom-up assault on the space dream by making it a reality to the public.

As the British zookeeper who discovered virgin births in Komodos put it, rather like buses, you wait ages and then loads of them come along all at once.